The plane that serves as Air Force One (a designation it receives only when the President is onboard) isn't actually a Boeing 747, even though it looks a lot like one and is based on the craft.

But if converted to Air Force One, the Qatari plane's inside would have to be entirely stripped, scrubbed for surveillance technology for security reasons and effectively rebuilt, Republicans ...

Air Force One is a specially configured version of Boeing's 747-200B jumbo jet. Rebecca Blackwell/AP The plane is also equipped with electronic warfare capabilities and missile countermeasures ...

The U.S. has officially accepted a luxury jetliner from Qatar as a gift, and slated it to become a new Air Force One. Experts say that overhaul could take years and cost hundreds of millions.